// Copyright 2008, 2010 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package org.apache.tapestry5.internal.services;
import java.util.Locale;
import org.apache.tapestry5.ComponentResources;
import org.apache.tapestry5.Field;
import org.apache.tapestry5.FieldTranslator;
import org.apache.tapestry5.Translator;
import org.apache.tapestry5.beaneditor.Translate;
import org.apache.tapestry5.ioc.AnnotationProvider;
import org.apache.tapestry5.ioc.MessageFormatter;
import org.apache.tapestry5.ioc.Messages;
import org.apache.tapestry5.ioc.internal.util.InternalUtils;
import org.apache.tapestry5.services.FieldTranslatorSource;
import org.apache.tapestry5.services.FormSupport;
import org.apache.tapestry5.services.TranslatorSource;
import org.apache.tapestry5.services.ValidationMessagesSource;
@SuppressWarnings("all")
public class FieldTranslatorSourceImpl implements FieldTranslatorSource
{
private final TranslatorSource translatorSource;
private final ValidationMessagesSource validationMessagesSource;
private final FormSupport formSupport;
public FieldTranslatorSourceImpl(TranslatorSource translatorSource,
ValidationMessagesSource validationMessagesSource, FormSupport formSupport)
{
this.translatorSource = translatorSource;
this.validationMessagesSource = validationMessagesSource;
this.formSupport = formSupport;
}
public FieldTranslator createDefaultTranslator(ComponentResources resources, String parameterName)
{
assert resources != null;
assert InternalUtils.isNonBlank(parameterName);
Field field = (Field) resources.getComponent();
Class propertyType = resources.getBoundType(parameterName);
return createDefaultTranslator(field, resources.getId(), resources.getContainerMessages(), resources
.getLocale(), propertyType, resources.getAnnotationProvider(parameterName));
}
public FieldTranslator createDefaultTranslator(Field field, String overrideId, Messages overrideMessages,
Locale locale, Class propertyType, AnnotationProvider propertyAnnotations)
{
assert field != null;
assert overrideMessages != null;
assert locale != null;
assert InternalUtils.isNonBlank(overrideId);
if (propertyType == null)
return null;
Translator translator = findTranslator(propertyType, propertyAnnotations);
if (translator == null)
return null;
return createTranslator(field, overrideId, overrideMessages, locale, translator);
}
Translator findTranslator(Class propertyType, AnnotationProvider propertyAnnotations)
{
Translate annotation = propertyAnnotations.getAnnotation(Translate.class);
if (annotation != null)
return translatorSource.get(annotation.value());
if (propertyType == null)
return null;
return translatorSource.findByType(propertyType);
}
public FieldTranslator createTranslator(Field field, String overrideId, Messages overrideMessages, Locale locale,
Translator translator)
{
MessageFormatter formatter = findFormatter(overrideId, overrideMessages, locale, translator);
return new FieldTranslatorImpl(field, translator, formatter, formSupport);
}
public FieldTranslator createTranslator(ComponentResources resources, String translatorName)
{
assert resources != null;
assert InternalUtils.isNonBlank(translatorName);
Field field = (Field) resources.getComponent();
Translator translator = translatorSource.get(translatorName);
return createTranslator(field, resources.getId(), resources.getContainerMessages(), resources.getLocale(),
translator);
}
private MessageFormatter findFormatter(String overrideId, Messages overrideMessages, Locale locale,
Translator translator)
{
// TAP5-228: Try to distinguish message overrides by form id and overrideId (i.e., property name) first.
String translatorName = translator.getName();
String overrideKey = formSupport.getFormValidationId() + "-" + overrideId + "-" + translatorName + "-message";
if (overrideMessages.contains(overrideKey))
return overrideMessages.getFormatter(overrideKey);
// Ok, look for a simpler name that omits the formId prefix.
overrideKey = overrideId + "-" + translatorName + "-message";
if (overrideMessages.contains(overrideKey))
return overrideMessages.getFormatter(overrideKey);
// Otherwise, use the built-in validation message appropriate to this validator.
Messages validationMessages = validationMessagesSource.getValidationMessages(locale);
return validationMessages.getFormatter(translator.getMessageKey());
}
}